package Day3;

import java.util.Scanner;

public class Day03_01 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNext()) {
            char ch = in.next().charAt(0);
            System.out.print((ch <= 'z' && ch >= 'a') ? (char) (ch - 32) : ch);
        }
    }
}
//https://www.nowcoder.com/practice/0cfa856bf0d649b88f6260d878f35bb4?tpId=290&tqId=39937&ru=/exam/oj